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Submission #931289

# Submission time Handle Problem Language Result Execution time Memory
931289 2024-02-21T14:30:13 Z andrei_boaca Feast (NOI19_feast) C++17
100 / 100
 111 ms 29144 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
const ll INF=1e17;
ll n,k,v[600005];
struct date
{
    ll val,l,r;
};
date dp[600005][2];
date combine(date a, date b)
{
    if(a.val>b.val)
        return a;
    if(a.val<b.val)
        return b;
    a.l=min(a.l,b.l);
    a.r=max(a.r,b.r);
    return a;
}
date calc(ll cost)
{
    dp[0][0]={0,0,0};
    dp[0][1]={-INF,0,0};
    for(int i=1;i<=n;i++)
    {
        dp[i][0]=combine(dp[i-1][0],dp[i-1][1]);
        date a=dp[i-1][0];
        a.l++;
        a.r++;
        a.val+=v[i]-cost;
        dp[i][1]=a;
        a=dp[i-1][1];
        a.val+=v[i];
        dp[i][1]=combine(dp[i][1],a);
        a=dp[i-1][1];
        a.l++;
        a.r++;
        a.val+=v[i]-cost;
        dp[i][1]=combine(dp[i][1],a);
    }
    return combine(dp[n][0],dp[n][1]);
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>k;
    for(ll i=1;i<=n;i++)
        cin>>v[i];
    n+=k;
    ll st=-1e12;
    ll dr=1e12;
    while(st<=dr)
    {
        ll mij=(st+dr)/2;
        date rez=calc(mij);
        if(rez.l<=k&&rez.r>=k)
        {
            cout<<rez.val+k*mij;
            return 0;
        }
        if(rez.l>k)
            st=mij+1;
        else
            dr=mij-1;
    }
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 21084 KB Output is correct
2 Correct 26 ms 27224 KB Output is correct
3 Correct 26 ms 21084 KB Output is correct
4 Correct 25 ms 21084 KB Output is correct
5 Correct 25 ms 21084 KB Output is correct
6 Correct 24 ms 20952 KB Output is correct
7 Correct 24 ms 21080 KB Output is correct
8 Correct 24 ms 18896 KB Output is correct
9 Correct 25 ms 19028 KB Output is correct
10 Correct 24 ms 19036 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 19036 KB Output is correct
2 Correct 33 ms 19092 KB Output is correct
3 Correct 33 ms 19032 KB Output is correct
4 Correct 19 ms 25180 KB Output is correct
5 Correct 25 ms 18896 KB Output is correct
6 Correct 31 ms 19036 KB Output is correct
7 Correct 19 ms 29144 KB Output is correct
8 Correct 26 ms 18888 KB Output is correct
9 Correct 25 ms 19028 KB Output is correct
10 Correct 18 ms 23128 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 18880 KB Output is correct
2 Correct 39 ms 19032 KB Output is correct
3 Correct 37 ms 18896 KB Output is correct
4 Correct 37 ms 19024 KB Output is correct
5 Correct 37 ms 19028 KB Output is correct
6 Correct 43 ms 19076 KB Output is correct
7 Correct 45 ms 18892 KB Output is correct
8 Correct 42 ms 19032 KB Output is correct
9 Correct 37 ms 19084 KB Output is correct
10 Correct 44 ms 19084 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2408 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2408 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 2 ms 2392 KB Output is correct
24 Correct 1 ms 2392 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2392 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct

Subtask #7
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 21084 KB Output is correct
2 Correct 26 ms 27224 KB Output is correct
3 Correct 26 ms 21084 KB Output is correct
4 Correct 25 ms 21084 KB Output is correct
5 Correct 25 ms 21084 KB Output is correct
6 Correct 24 ms 20952 KB Output is correct
7 Correct 24 ms 21080 KB Output is correct
8 Correct 24 ms 18896 KB Output is correct
9 Correct 25 ms 19028 KB Output is correct
10 Correct 24 ms 19036 KB Output is correct
11 Correct 43 ms 19036 KB Output is correct
12 Correct 33 ms 19092 KB Output is correct
13 Correct 33 ms 19032 KB Output is correct
14 Correct 19 ms 25180 KB Output is correct
15 Correct 25 ms 18896 KB Output is correct
16 Correct 31 ms 19036 KB Output is correct
17 Correct 19 ms 29144 KB Output is correct
18 Correct 26 ms 18888 KB Output is correct
19 Correct 25 ms 19028 KB Output is correct
20 Correct 18 ms 23128 KB Output is correct
21 Correct 45 ms 18880 KB Output is correct
22 Correct 39 ms 19032 KB Output is correct
23 Correct 37 ms 18896 KB Output is correct
24 Correct 37 ms 19024 KB Output is correct
25 Correct 37 ms 19028 KB Output is correct
26 Correct 43 ms 19076 KB Output is correct
27 Correct 45 ms 18892 KB Output is correct
28 Correct 42 ms 19032 KB Output is correct
29 Correct 37 ms 19084 KB Output is correct
30 Correct 44 ms 19084 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 0 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 2392 KB Output is correct
39 Correct 1 ms 2392 KB Output is correct
40 Correct 1 ms 2392 KB Output is correct
41 Correct 1 ms 2392 KB Output is correct
42 Correct 1 ms 2396 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 1 ms 2396 KB Output is correct
47 Correct 1 ms 2408 KB Output is correct
48 Correct 1 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 1 ms 2396 KB Output is correct
52 Correct 1 ms 2652 KB Output is correct
53 Correct 2 ms 2392 KB Output is correct
54 Correct 1 ms 2392 KB Output is correct
55 Correct 1 ms 2396 KB Output is correct
56 Correct 1 ms 2396 KB Output is correct
57 Correct 1 ms 2396 KB Output is correct
58 Correct 1 ms 2392 KB Output is correct
59 Correct 1 ms 2396 KB Output is correct
60 Correct 1 ms 2396 KB Output is correct
61 Correct 96 ms 23900 KB Output is correct
62 Correct 30 ms 28240 KB Output is correct
63 Correct 74 ms 22056 KB Output is correct
64 Correct 111 ms 24172 KB Output is correct
65 Correct 87 ms 24172 KB Output is correct
66 Correct 94 ms 24148 KB Output is correct
67 Correct 83 ms 23892 KB Output is correct
68 Correct 51 ms 21936 KB Output is correct
69 Correct 51 ms 21956 KB Output is correct
70 Correct 39 ms 21840 KB Output is correct